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        <h1 id="Java开发中主要用到的jar包介绍"><a href="#Java开发中主要用到的jar包介绍" class="headerlink" title="Java开发中主要用到的jar包介绍"></a>Java开发中主要用到的jar包介绍</h1><h2 id="commons-io-jar："><a href="#commons-io-jar：" class="headerlink" title="commons-io.jar："></a>commons-io.jar：</h2><p>可以看成是java.io的扩展，用来帮助进行IO功能开发．它包含三个主要的领域:Utilityclasses-提供一些静态方法来完成公共任务．Filters-提供文件过滤器的各种实现．Streams-提供实用的Stream，reader与writer实现．<br><a id="more"></a></p>
<h2 id="commons-beanutils-jar："><a href="#commons-beanutils-jar：" class="headerlink" title="commons-beanutils.jar："></a>commons-beanutils.jar：</h2><p>提供对Java反射和自省API的包装，主要提供了对于 JavaBean进行各种操作。<br>commons-digester.jar:<br>它能方便地将XML文档所定义的元素转化为JAVA对象，其实它的用法有点象栈(当然内在的原理就是那个古老的东西,只是提供了更高一层的封装)。</p>
<h2 id="commons-lang-jar"><a href="#commons-lang-jar" class="headerlink" title="commons-lang.jar:"></a>commons-lang.jar:</h2><p>它扩展了标准 java.langAPI，增加了字符串操作方法、基本数值方法、对象反射、创建和串行化以及System属性。它还包含一个可继承的enum类型、对多种嵌套的Exception类型的支持、对java.util.Date的增强以及用于构建方法的实用程序，例如自动生成 toString()的结果、自动实现hashCode()和equals()方法、数组操作、枚举、日期和时间的处理等等。<br>ArrayUtils–用于对数组的操作，如添加、查找、删除、子数组、倒序、元素类型转换等；<br>BitField–用于操作位元，提供了一些方便而安全的方法；<br>BooleanUtils–用于操作和转换boolean或者Boolean及相应的数组；<br>CharEncoding–包含了Java环境支持的字符编码，提供是否支持某种编码的判断；<br>CharRange–用于设定字符范围并做相应检查；<br>CharSet–用于设定一组字符作为范围并做相应检查；<br>CharSetUtils–用于操作CharSet；<br>CharUtils–用于操作char值和Character对象；<br>ClassUtils–用于对Java类的操作，不使用反射；<br>ObjectUtils–用于操作Java对象，提供null安全的访问和其他一些功能；<br>RandomStringUtils–用于生成随机的字符串；<br>SerializationUtils–用于处理对象序列化，提供比一般Java序列化更高级的处理能力；<br>StringEscapeUtils–用于正确处理转义字符，产生正确的Java、JavaScript、HTML、XML和SQL代码；<br>StringUtils–处理String的核心类，提供了相当多的功能；<br>SystemUtils–在java.lang.System基础上提供更方便的访问，如用户路径、Java版本、时区、操作系统等判断；<br>Validate–提供验证的操作，有点类似assert断言；<br>WordUtils–用于处理单词大小写、换行等。<br>commons-codec.jar：<br>包含一些通用的编码解码算法。包括一些语音编码器，Hex,Base64, 以及URLencoder。</p>
<h2 id="commons-collections-jar："><a href="#commons-collections-jar：" class="headerlink" title="commons-collections.jar："></a>commons-collections.jar：</h2><p>提供一个类包来扩展和增加标准的JavaCollection框架。<br>Bag接口：适用于包含一个对象的多个拷贝的集合<br>Buffer接口：适用于具有顺序的集合类，例如FIFOs(先进先出)<br>BidiMap(双向映射)：可以通过值查找键，也可以通过键查找值<br>Map迭代器：提供了对映射的快速迭代<br>对类型检查进行了封装，确保特定类的实例可以被添加到集合中<br>对转换进行了封装，将集合中的对象转换成被加入时的类型<br>对集合进行组合，使多个集合看起来就像一个集合一样<br>有序映射和set，保持元素添加时的顺序，包括一个基于LRU的map<br>标识映射可以给予对象的==来比较对象，而不是基于equals方法<br>引用映射可以允许键and/or值可以有控制的进行回收<br>很多比较器的实现<br>很多迭代器的实现<br>从数组或者枚举到集合的适配器<br>用来测试或者创建典型set理论的集合属性，例如与、或、闭包</p>
<h2 id="commons-dbutil-jar"><a href="#commons-dbutil-jar" class="headerlink" title="commons-dbutil.jar:"></a>commons-dbutil.jar:</h2><p>对传统操作数据库的类进行二次封装，可以把结果集转化成List<br>(1)org.apache.commons.dbutils<br>DbUtils : 提供如关闭连接、装载JDBC驱动程序等常规工作的工具类<br>QueryRunner: 该类简单化了SQL查询，它与ResultSetHandler组合在一起使用可以完成大部分的数据库操作，能够大大减少编码量。<br>QueryLoader: 属性文件加载器，主要用于加载属性文件中的SQL到内存中。<br>(2)org.apache.commons.dbutils.handlers<br>ArrayHandler：将ResultSet中第一行的数据转化成对象数组ArrayListHandler将ResultSet中所有的数据转化成List，List中存放的是Object[]<br>BeanHandler：将ResultSet中第一行的数据转化成类对象<br>BeanListHandler：将ResultSet中所有的数据转化成List，List中存放的是类对象<br>ColumnListHandler：将ResultSet中某一列的数据存成List，List中存放的是Object对象<br>KeyedHandler：将ResultSet中存成映射，key为某一列对应为Map。Map中存放的是数据<br>MapHandler：将ResultSet中第一行的数据存成Map映射<br>MapListHandler：将ResultSet中所有的数据存成List。List中存放的是Map<br>ScalarHandler：将ResultSet中一条记录的其中某一列的数据存成Object</p>
<h1 id="java开发中主要用到的jar包总结"><a href="#java开发中主要用到的jar包总结" class="headerlink" title="java开发中主要用到的jar包总结"></a>java开发中主要用到的jar包总结</h1><h2 id="axis-jar-SOAP引擎包"><a href="#axis-jar-SOAP引擎包" class="headerlink" title="axis.jar:SOAP引擎包"></a>axis.jar:SOAP引擎包</h2><p>jaxrpc.jar:Axis运行所需要的组件包<br>saaj.jar:创建到端点的点到点连接的方法、创建并处理SOAP消息和附件的方法，以及接收和处理SOAP错误的方法. </p>
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class="line">aopalliance-1.0.jar:支持spring AOP</div><div class="line">asm-2.2.3.jar:ASM字节码库</div><div class="line">asm-commons-2.2.3.jar:ASM字节码库</div><div class="line">asm-util-2.2.3.jar:Java字节码操纵和分析框架</div><div class="line">aspectjrt.jar:处理事务和AOP所需的包</div><div class="line">aspectjweaver.jar:处理事务和AOP所需的包</div><div class="line">axiom-api-1.2.7.jar:Axis 对象模型</div><div class="line">axiom-impl-1.2.7.jar:Axis 对象模型</div><div class="line"></div><div class="line">bcprov-jdk15-140.jar:基于java1.5 的加密算法实现</div><div class="line">bfmclientmodel.jar:使用WebSphere所需jar包</div><div class="line">bpcclientcore.jar:使用WebSphere所需jar包</div><div class="line">bpe137650.jar:提供远程访问BPE容器的实现。 </div><div class="line">bsh-2.0b4.jar:解决负载逻辑运算</div><div class="line"></div><div class="line">c3p0-0.9.0.jar:开放源代码的JDBC连接池</div><div class="line">cglib-nodep-2.1_3.jar:Spring中自动代理所需jar包</div><div class="line">cobertura.jar:测量测试覆盖率</div><div class="line">commons-beanutils-1.7.0.jar:动态的获取/设值Java Bean的属性</div><div class="line">commons-chain-1.1.jar:实现责任链设计模式的Java 类库</div><div class="line">commons-codec-1.3.jar:用来处理常用的编码方法的工具类包，例如DES、SHA1、MD5、Base64等等</div><div class="line">commons-collections-3.1.jar:对标准java Collection的扩展</div><div class="line">commons-collections.jar:对标准java Collection的扩展</div><div class="line">commons-discovery-0.2.jar:用来发现、查找和实现可插入式接口，提供一些一般类实例化、单件的生命周期管理的常用方法.db2jcc.jarjava连接DB2所需jar</div><div class="line">commons-digester-1.8.jar:用于处理struts-config.xml配置文件</div><div class="line">commons-fileupload-1.1.1.jar:struts上传文件</div><div class="line">commons-httpclient-3.1.jar:用来简化HTTP客户端与服务器端进行各种通信编程实现</div><div class="line">commons-io-1.1.jar:针对java.io.InputStream和Reader进行了扩展</div><div class="line">commons-lang-2.4.jar:对java.lang.*的扩展</div><div class="line">commons-logging-1.1.1.jar:日志包</div><div class="line">commons-pool-1.3.jar:实现对象池化框架</div><div class="line">commons-validator-1.3.1.jar:用来把验证规则程序提取出来，以供重复使用</div><div class="line"></div><div class="line">db2jcc_license_cu.jar:java:连接DB2所需jar</div><div class="line">dom4j-1.6.1.jar:解析XML</div><div class="line"></div><div class="line">ehcache-1.2.4.jar:hibernate的二级缓存如果用ehcache的时候需要此jar包</div><div class="line">emf.jar:基于Eclipse的模型框架</div><div class="line">ezmorph-1.0.6.jar:使用JSON所需的jar包</div><div class="line"></div><div class="line">FastInfoset-1.2.2.jar:使用WebService所需的jar包</div><div class="line">freemarker-2.3.8.jar:Strus2支持的一种表现层框架</div><div class="line"></div><div class="line">geronimo-activation_1.1_spec-1.0.2.jar:Apache Geronimo所带jar包，</div><div class="line">geronimo-annotation_1.0_spec-1.1.1.jar:Apache Geronimo所带jar包</div><div class="line">geronimo-javamail_1.4_spec-1.3.jar:Apache Geronimo所带jar包</div><div class="line">geronimo-jaxws_2.1_spec-1.0.jar:Apache Geronimo所带jar包</div><div class="line">geronimo-jms_1.1_spec-1.1.1.jar:Apache Geronimo所带jar包</div><div class="line">geronimo-servlet_2.5_spec-1.2.jar:Apache Geronimo所带jar包</div><div class="line">geronimo-stax-api_1.0_spec-1.0.1.jar:Apache Geronimo所带jar包</div><div class="line"></div><div class="line">hibernate3.jar:Hibernate3的核心jar包</div><div class="line">htmclientmodel.jar:使用WebSphere所需jar包</div><div class="line"></div><div class="line">jakarta-oro.jar:一套文本处理工具，提供per15.0兼容的表达式，AWK-like表达式，Glob表达式。</div><div class="line">javassist.jar:Javassist 字节码解释器</div><div class="line">jaxb-api-2.1.jar:使用WebService所需的jar包</div><div class="line">jaxb-impl-2.1.7.jar:使用CXF所需jar包</div><div class="line">jaxb-xjc-2.1.7.jar:使用CXF所需jar包</div><div class="line">jaxen-1.1.1.jar:解析XML</div><div class="line">jcifs-1.2.22.jar:实现单点登陆</div><div class="line">jdom2-1.0.jar:解析XML</div><div class="line">jdom-1.0.jar:解析XML</div><div class="line">jettison-1.0.1.jar:使用CXF所需jar包</div><div class="line">jetty-6.1.9.jar:Jetty Http服务器jar</div><div class="line">jetty-util-6.1.9.jar:Jetty Http服务器jar</div><div class="line">jra-1.0-alpha-4.jar:使用CXF所需jar包</div><div class="line">js-1.6R7.jar:使用CXF所需jar包</div><div class="line">json-lib-2.2.3-jdk13.jar:使用JSON所需的jar包</div><div class="line">jsonplugin-0.25.jar:strus2的JSON插件</div><div class="line">jsr311-api-0.8.jar:使用CXF所需jar包</div><div class="line">jstl.jar:JSTL标签库</div><div class="line">jta.jar:标准的 JAVA 事务处理接口</div><div class="line">junit.jar:用于单元测试</div><div class="line">jxl.jar:通过java操作excel表格的工具类库</div><div class="line">ldap.jar:JNDI目录服务和LDAO服务器所需的jar</div><div class="line">ldapbp.jar:JNDI目录服务和LDAO服务器所需的jar</div><div class="line"></div><div class="line">log4j-1.2.15.jar:提供日志功能</div><div class="line"></div><div class="line">mail.jar:java发送邮件jar包</div><div class="line"></div><div class="line">neethi-2.0.4.jar:使用CXF所需jar包</div><div class="line"></div><div class="line">odmg-3.0.jar:ODMG是一个ORM的规范，Hibernate实现了ODMG规范，这是一个核心的库</div><div class="line">ognl-2.6.11.jar:struts2中OGNL语言</div><div class="line">ojdbc14.jar:Oracle数据库驱动包</div><div class="line">opensaml-1.1.jar:使用CXF所需jar包</div><div class="line">oro-2.0.8.jar:Validator框架所需的jar包</div><div class="line">oscache-2.1.jar:Java 对象的缓存工具</div><div class="line"></div><div class="line">poi-3.1-FINAL-20080629.jar:操作exce所需jar包</div><div class="line">poi-contrib-3.1-FINAL-20080629.jar:操作exce所需jar包</div><div class="line">poi-ooxml-3.6-20091214.jar:提供对office的word、excel、visio及ppt的操作</div><div class="line">poi-ooxml-schemas-3.6-20091214.jar:提供对office的word、excel、visio及ppt的操作</div><div class="line">poi-scratchpad-3.1-FINAL-20080629.jar:提供对office的word、excel、visio及ppt的操作</div><div class="line">processCommon.jarIBM WebSphere:运行所需jar</div><div class="line">ProcessCommonLibrary.jarIBM WebSphere:运行所需jar</div><div class="line">processIdentity.jarIBM WebSphere:运行所需jar</div><div class="line">ProcessInformation.jar:进程监视软件包</div><div class="line">proxool-0.9.1.jar:数据库连接池</div><div class="line">proxool-cglib.jar:数据库连接池</div><div class="line"></div><div class="line">quartz-1.6.0.jar:开源作业调度框架</div><div class="line"></div><div class="line">saaj-api-1.3.jar:使用axis所需的jar</div><div class="line">saaj-impl-1.3.2.jar:使用axis所需的jar</div><div class="line">serializer-2.7.1.jar:XML序列化</div><div class="line">slf4j-jdk14-1.5.6.jar:整合各种日志框架的工具</div><div class="line">spring208.jar:spring核心框架</div><div class="line">spring-ldap-1.2-RC1.jar:spring下LDAP</div><div class="line">spring-mock.jar:spring的测试框架</div><div class="line">standard.jar:使用JSTL标签库所需的jar</div><div class="line">stax-api-1.0.1.jar:解析XML</div><div class="line">struts2-core-2.0.14.jar:struts2核心jar</div><div class="line">struts2-spring-plugin-2.0.6.jar:struts2整合Spring所需jar</div><div class="line"></div><div class="line">taglibs-datetime.jar:Apache开源组织提供标签库，用于格式化日期。</div><div class="line">taglibs-mailer.jar:用于发送邮件</div><div class="line">taglibs-string.jar:Apache开源组织提供标签库，用于对String的操作。</div><div class="line">task137650.jar:Portal技术在SOA系统集成应用中实现所需的jar</div><div class="line"></div><div class="line">utility.jar:Apache开源组织提供标签库</div><div class="line"></div><div class="line">velocity-1.5.jar:一个免费的开源模板框架</div><div class="line"></div><div class="line">wsdl4j-1.6.2.jar:用来解析服务的WSDl文件</div><div class="line">wss4j-1.5.4.jar:创建CXF所需jar</div><div class="line">wstx-asl-3.2.6.jar:创建CXF所需jar</div><div class="line"></div><div class="line">xbean-spring-2.8.jar:使用xfire所需jar</div><div class="line">xerces-2.6.2.jar:XML解析器</div><div class="line">xfire-all-1.2.6.jar:用于实现WebService</div><div class="line">XmlSchema-1.1.jar:使用xfire所需jar</div><div class="line">xwork-2.0.7.jar:WebWork核心jar</div></pre></td></tr></table></figure>

      
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    });
    $('.popup').click(function(e){
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    });
  </script>





  

  
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  <script>
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      var query = new AV.Query(Counter);
      var entries = [];
      var $visitors = $(".leancloud_visitors");

      $visitors.each(function () {
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      });

      query.containedIn('url', entries);
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  </script>



  

  

  


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